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These stars are killing it when it comes to their beach-ready and pool-approved bikinis and we're so on board with stealing their style any chance we can get.

At the end of the day any bathing suit is a good idea in our minds during the summer months and especially for the 4th of July.

It is the top summer holiday after all, which means it's a party in the U.S.A. all day long and therefore you're going to need to break out your favorite suit stat!

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Emily Ratajkowski

The model might've been soaking up some sun in Greece this week, but her blue polka-dot bikini screams America!

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Emma Roberts

The actress gave us major vacation envy as she sipped on a tropical drink in France ahead of the 4th of July holiday. PS: Her bikini is the bathing suit equivalent to a LBD...it's something every girl needs, a LBB!

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Katharine McPhee

The Broadway baby channeled her inner pin-up girl with this retro suit while in Capri this week and her casual style is too perfect not to try and replicate.

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Gabrielle Union

Could the Being Mary Jane actress be having any more fun in this photo? We need to get on her level ASAP!

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Alessandra Ambrosio

The Brazilian supermodel rocked a little white bikini while on holiday in Italy and now we need a LWB in our bathing suit arsenal right away. Oh, and maybe a trip to Italy wouldn't be a bad idea either.

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Rita Ora

The "Girls" singer looked like a neon dream while taking in the scenery on vacation this last month and we can't get enough of the sexy pics and gorgeous bikinis she donned.

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Kourtney Kardashian, Kendall Jenner & Squad

Sisters Kourtney Kardashian and Kendall Jenner hosted an epic Memorial Day bash that featured water guns, pool floats and bathing suits that are so fierce we can barely handle it.

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Lucy Hale

The Life Sentence star had a blast in Cambodia earlier this summer and made sure to enjoy the local cuisine, including fresh coconuts. Plus, how cute is her splatter paint one-piece and black cutoff shorts combo?!

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Nina Dobrev

When is Nina Dobrev not on a tropical vacation? The former Vampire Diaries star is constantly making us wish we were on vacation and her recent trip to Costa Rica is giving us major wanderlust.

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Halsey

The "Bad at Love" singer looked pretty in pink as she enjoyed some serious pool time over Memorial Day weekend.

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Sofia Richie

Sofia Richie's black bikini is sporty and chic and we want to steal her style right now. Oh, and her view isn't too bad either.

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Ashlee Simpson Ross

The singer kicked off summer by going for a paddle with her BFF and we so want in on this friendship day next time!

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Behati Prinsloo

The model did her best Titanic pose while hanging out on a boat with hubbie Adam Levine and their friend. Side note: her relaxed boat ensemble is right up our alley.

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Shantel VanSaten

The One Tree Hill star gave us major wanderlust when she explored Krause Springs in Austin, Texas in this lime bikini, which is so fun and vibrant!

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Kourtney Kardashian

The reality starshowed off her bikini bod and sexy black two-piece in May while at the beach and we're in need of a lounging day like this ASAP!

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Olivia Culpo

Sipping a pineapple fresh out of the pool on a tropical island is what vacation dreams are made of.

Kristin Cavallari

Poppy Delevingne

"✨ Discovered paradise last weekend, in its purest barefoot form... ✨," Poppy Delevingne captioned this fun group shot from her trip to Turkey and we're completely enchanted.

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Jasmine Tookes

The model shared a bikini pic before heading out of town earlier this summer and we're envious of everything in this shot. The bikini is so cute and her bod is rocking!

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Shay Mitchell

The former Pretty Little Liars star is a travel expert, so of course we're going to turn to her for vacation and bathing suit inspiration all summer long.

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Carrie Underwood

The "Cry Pretty" singer got some pool time in with her friends last month and we want to join in on the fun next time! PS: she's rocking her own sportswear line as a bikini top and we're loving it.

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BACKGRID

Kendall Jenner

The model and reality star looked gorgeous as she soaked up the sun in between red carpets at the 2018 Cannes Film Festival in France. Question: how does one look this effortless at the beach? We want answers!

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Priyanka Chopra

The Quantico actress is giving off major Hollywood starlet vibes while showing us exactly an ideal pool weekend looks like. Plus, her red one-piece is sexy and sassy and so fierce.

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Kaitlyn Bristowe

The former Bachelorette star always knows how to rock her angles and a good one-piece. Oh, and her handsome fiancé Shawn Booth taking the picture is a total bonus.

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Molly Sims

The supermodel has the right idea here, sipping on a green juice before spending her day tanning and hanging out with friends. Sign us up for this dream day anytime.

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Lauren Conrad

If you're a mamma we highly recommend taking notes from Lauren Conrad with your summer plans. Break out your cutest suit—like the fun green stripped one Conrad is wearing—and have a beach day with your little ones.

For a recap of all the biggest PCAs show moments, fashion and winners, don't miss E! News!

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